#188138
Closest named color: Jungle Green (#048243). oklch(53% 0.142 148.3), rgb(24, 129, 56).
Aa
White text reads best on this color (4.95:1).
About this color
#188138 is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.142 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.012 away. White text reads best on it, at 4.95:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #188138 |
| RGB | rgb(24, 129, 56) |
| HSL | hsl(138, 69%, 30%) |
| OKLCH | oklch(53% 0.142 148.3) |
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 #188138 | 4.95:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #188138 | 4.23:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #188138 text on white | 4.95:1 | AA | Lc 73.8 | Content text, not long reading |
| #188138 text on black | 4.23:1 | AA large text | Lc -27.9 | 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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE3
oklch(93.5% 0.018 148.1)
-
Step 200
200
#CAE0CC
oklch(88.5% 0.036 147.9)
-
Step 300
300
#A5CDAA
oklch(81% 0.065 148.4)
-
Step 400
400
#72B27C
oklch(70.6% 0.102 148.3)
-
Step 500
500
#499F5A
oklch(63.2% 0.132 148.1)
-
Step 600
600 (this color)
#188138
oklch(53% 0.142 148.3)
-
Step 700
700
#147431
oklch(49.1% 0.133 148.1)
-
Step 800
800
#165F2A
oklch(42.8% 0.11 148.3)
-
Step 900
900
#1B4E26
oklch(37.8% 0.086 148)
-
Step 950
950
#112E17
oklch(27.1% 0.055 148.5)
#188138 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) | #827531 | 0.113 |
| Deuteranopia (no green cones) | #776D3E | 0.112 |
| Tritanopia (no blue cones) | #007E71 | 0.083 |
| Achromatopsia (no color) | #707070 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #188138
#188138
oklch(53% 0.142 148.3)
- #964994
#964994
oklch(52.9% 0.142 328.3)
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 #188138, closest first.
No curated palette has a color within ΔE 0.04 of #188138.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.012
- Tree Green #2A7E19 ΔE 0.025
- Dark Grass Green #388004 ΔE 0.034
- Green #008000 ΔE 0.039
- Forest Green #228B22 ΔE 0.041
- Sea Green #2E8B57 ΔE 0.048
- Emerald Green #028F1E ΔE 0.053
- Kelley Green #009337 ΔE 0.055
Use #188138 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.