#307C37
Closest named color: Jungle Green (#048243). oklch(52.2% 0.128 145.1), rgb(48, 124, 55).
Aa
White text reads best on this color (5.16:1).
About this color
#307C37 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.128 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.022 away. White text reads best on it, at 5.16:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #307C37 |
| RGB | rgb(48, 124, 55) |
| HSL | hsl(126, 44%, 34%) |
| OKLCH | oklch(52.2% 0.128 145.1) |
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 #307C37 | 5.16:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #307C37 | 4.06:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #307C37 text on white | 5.16:1 | AA | Lc 75.3 | Fine for body text |
| #307C37 text on black | 4.06:1 | AA large text | Lc -26.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCE0CC
oklch(88.6% 0.034 145.3)
-
Step 300
300
#A8CCA9
oklch(80.9% 0.062 145.7)
-
Step 400
400
#79B17A
oklch(70.7% 0.098 144.9)
-
Step 500
500
#539D57
oklch(63% 0.127 145)
-
Step 600
600
#34873C
oklch(55.5% 0.137 145.1)
-
Step 700
700 (this color)
#307C37
oklch(52.2% 0.128 145.1)
-
Step 800
800
#215D27
oklch(42.5% 0.105 145.2)
-
Step 900
900
#214D24
oklch(37.8% 0.083 145)
-
Step 950
950
#142D16
oklch(27% 0.052 145.6)
#307C37 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) | #7E7131 | 0.097 |
| Deuteranopia (no green cones) | #746B3C | 0.095 |
| Tritanopia (no blue cones) | #20796C | 0.077 |
| Achromatopsia (no color) | #6D6D6D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307C37
#307C37
oklch(52.2% 0.128 145.1)
- #8D4C91
#8D4C91
oklch(52.1% 0.128 325.1)
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 #307C37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.022
- Tree Green #2A7E19 ΔE 0.030
- Dark Grass Green #388004 ΔE 0.039
- Green #008000 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.052
- Forest Green #228B22 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.058
- Muddy Green #657432 ΔE 0.059
Use #307C37 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.