#307B23
Closest named color: Tree Green (#2A7E19). oklch(51.7% 0.143 140.9), rgb(48, 123, 35).
Aa
White text reads best on this color (5.27:1).
About this color
#307B23 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.143 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.014 away. White text reads best on it, at 5.27:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #307B23 |
| RGB | rgb(48, 123, 35) |
| HSL | hsl(111, 56%, 31%) |
| OKLCH | oklch(51.7% 0.143 140.9) |
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 #307B23 | 5.27:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #307B23 | 3.98:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #307B23 text on white | 5.27:1 | AA | Lc 75.9 | Fine for body text |
| #307B23 text on black | 3.98:1 | AA large text | Lc -25.9 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CCE0C8
oklch(88.5% 0.039 140.5)
-
Step 300
300
#A9CCA2
oklch(80.8% 0.069 140.4)
-
Step 400
400
#79B270
oklch(70.7% 0.111 141.1)
-
Step 500
500
#549E48
oklch(63.1% 0.142 141)
-
Step 600
600
#368828
oklch(55.6% 0.154 140.9)
-
Step 700
700 (this color)
#307B23
oklch(51.7% 0.143 140.9)
-
Step 800
800
#235E18
oklch(42.7% 0.119 140.8)
-
Step 900
900
#224D1B
oklch(37.7% 0.092 141)
-
Step 950
950
#152D11
oklch(26.9% 0.058 140.9)
#307B23 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) | #7E7016 | 0.098 |
| Deuteranopia (no green cones) | #75692B | 0.099 |
| Tritanopia (no blue cones) | #257769 | 0.094 |
| Achromatopsia (no color) | #6C6C6C | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307B23
#307B23
oklch(51.7% 0.143 140.9)
- #8C4899
#8C4899
oklch(51.8% 0.142 321)
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 #307B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.014
- Dark Grass Green #388004 ΔE 0.025
- Jungle Green #048243 ΔE 0.033
- Green #008000 ΔE 0.034
- Forest Green #228B22 ΔE 0.049
- Olive Green #677A04 ΔE 0.059
- Emerald Green #028F1E ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.065
Use #307B23 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.