#218637
Closest named color: Jungle Green (#048243). oklch(54.6% 0.147 146.7), rgb(33, 134, 55).
Aa
White text reads best on this color (4.63:1).
About this color
#218637 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.147 and its hue 147°. 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 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.52:1 |
| White text | 4.63:1 |
Values
| HEX | #218637 |
| RGB | rgb(33, 134, 55) |
| HSL | hsl(133, 60%, 33%) |
| OKLCH | oklch(54.6% 0.147 146.7) |
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 #218637 | 4.63:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #218637 | 4.52:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #218637 text on white | 4.63:1 | AA | Lc 71.8 | Content text, not long reading |
| #218637 text on black | 4.52:1 | AA | Lc -29.9 | 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
#E2EEE3
oklch(93.7% 0.019 147.8)
-
Step 200
200
#CAE0CB
oklch(88.5% 0.037 146.5)
-
Step 300
300
#A5CDA8
oklch(80.9% 0.067 146.9)
-
Step 400
400
#73B379
oklch(70.8% 0.107 146.6)
-
Step 500
500
#4A9F56
oklch(63.1% 0.135 146.7)
-
Step 600
600 (this color)
#218637
oklch(54.6% 0.147 146.7)
-
Step 700
700
#15742C
oklch(49% 0.137 146.7)
-
Step 800
800
#175F26
oklch(42.8% 0.113 146.7)
-
Step 900
900
#1B4E23
oklch(37.8% 0.089 146.5)
-
Step 950
950
#112E15
oklch(27.1% 0.057 146.6)
#218637 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) | #887A2F | 0.114 |
| Deuteranopia (no green cones) | #7C713D | 0.114 |
| Tritanopia (no blue cones) | #008375 | 0.088 |
| Achromatopsia (no color) | #757575 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #218637
#218637
oklch(54.6% 0.147 146.7)
- #9B4D9D
#9B4D9D
oklch(54.6% 0.147 326.4)
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 #218637, closest first.
No curated palette has a color within ΔE 0.04 of #218637.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.022
- Forest Green #228B22 ΔE 0.027
- Tree Green #2A7E19 ΔE 0.029
- Dark Grass Green #388004 ΔE 0.032
- Kelley Green #009337 ΔE 0.039
- Emerald Green #028F1E ΔE 0.040
- Sea Green #2E8B57 ΔE 0.041
- Green #008000 ΔE 0.041
Use #218637 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.