#308E12
Closest named color: Emerald Green (#028F1E). oklch(56.9% 0.175 140), rgb(48, 142, 18).
Aa
Black text reads best on this color (5.00:1).
About this color
#308E12 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.175 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.015 away. Black text reads best on it, at 5.00:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #308E12 |
| RGB | rgb(48, 142, 18) |
| HSL | hsl(105, 78%, 31%) |
| OKLCH | oklch(56.9% 0.175 140) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #308E12 | 4.19:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #308E12 | 5.00:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #308E12 text on white | 4.19:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #308E12 text on black | 5.00:1 | AA | Lc -33.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C5
oklch(88.5% 0.045 140.1)
-
Step 300
300
#A6CE9D
oklch(81% 0.08 139.9)
-
Step 400
400
#74B466
oklch(70.8% 0.127 140)
-
Step 500
500
#4DA039
oklch(63.1% 0.161 140)
-
Step 600
600 (this color)
#308E12
oklch(56.9% 0.175 140)
-
Step 700
700
#207400
oklch(49% 0.158 140)
-
Step 800
800
#1B5F04
oklch(42.6% 0.134 140)
-
Step 900
900
#1D4E11
oklch(37.6% 0.105 140.1)
-
Step 950
950
#122E0C
oklch(27% 0.067 140.3)
#308E12 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #928000 | 0.118 |
| Deuteranopia (no green cones) | #877923 | 0.117 |
| Tritanopia (no blue cones) | #218978 | 0.118 |
| Achromatopsia (no color) | #7C7C7C | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308E12
#308E12
oklch(56.9% 0.175 140)
- #A34DB6
#A34DB6
oklch(57% 0.175 320.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #308E12, closest first.
No curated palette has a color within ΔE 0.04 of #308E12.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.015
- Forest Green #228B22 ΔE 0.016
- Irish Green #019529 ΔE 0.022
- True Green #089404 ΔE 0.023
- Kelley Green #009337 ΔE 0.025
- Sap Green #5C8B15 ΔE 0.040
- Dark Grass Green #388004 ΔE 0.041
- Grass Green #3F9B0B ΔE 0.042
Use #308E12 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.