#307B4D
Closest named color: Jungle Green (#048243). oklch(52.3% 0.104 153.7), rgb(48, 123, 77).
Aa
White text reads best on this color (5.16:1).
About this color
#307B4D is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.104 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.034 away. White text reads best on it, at 5.16:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #307B4D |
| RGB | rgb(48, 123, 77) |
| HSL | hsl(143, 44%, 34%) |
| OKLCH | oklch(52.3% 0.104 153.7) |
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 #307B4D | 5.16:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #307B4D | 4.06:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #307B4D text on white | 5.16:1 | AA | Lc 75.3 | Fine for body text |
| #307B4D 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD1
oklch(88.6% 0.028 153.8)
-
Step 300
300
#A8CBB2
oklch(81% 0.051 154.1)
-
Step 400
400
#79B089
oklch(70.8% 0.081 153.1)
-
Step 500
500
#539C6C
oklch(63.2% 0.104 153.5)
-
Step 600
600
#348654
oklch(55.6% 0.112 153.7)
-
Step 700
700 (this color)
#307B4D
oklch(52.3% 0.104 153.7)
-
Step 800
800
#215C38
oklch(42.6% 0.086 153.7)
-
Step 900
900
#214C31
oklch(37.7% 0.067 154.1)
-
Step 950
950
#142C1D
oklch(26.8% 0.041 155)
#307B4D 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) | #7B714A | 0.092 |
| Deuteranopia (no green cones) | #716A50 | 0.090 |
| Tritanopia (no blue cones) | #177A6F | 0.052 |
| Achromatopsia (no color) | #6D6D6D | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307B4D
#307B4D
oklch(52.3% 0.104 153.7)
- #8D5183
#8D5183
oklch(52.2% 0.105 333.3)
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 #307B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.048
- Dark Sage #598556 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.056
- Military Green #667C3E ΔE 0.058
- Muddy Green #657432 ΔE 0.058
- Tree Green #2A7E19 ΔE 0.059
- Dark Moss Green #606C38 ΔE 0.061
Use #307B4D 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.