#138658
Closest named color: Sea Green (#2E8B57). oklch(54.9% 0.12 159.7), rgb(19, 134, 88).
Aa
White text reads best on this color (4.58:1).
About this color
#138658 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.120 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.022 away. White text reads best on it, at 4.58:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.57:1 |
| White text | 4.58:1 |
Values
| HEX | #138658 |
| RGB | rgb(19, 134, 88) |
| HSL | hsl(156, 75%, 30%) |
| OKLCH | oklch(54.9% 0.12 159.7) |
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 #138658 | 4.58:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #138658 | 4.57:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #138658 text on white | 4.58:1 | AA | Lc 71.4 | Content text, not long reading |
| #138658 text on black | 4.57:1 | AA | Lc -30.3 | Non-text elements, placeholder text |
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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9E0D2
oklch(88.6% 0.031 159)
-
Step 300
300
#A3CCB5
oklch(80.9% 0.054 160.3)
-
Step 400
400
#6FB18E
oklch(70.6% 0.085 160)
-
Step 500
500
#439E72
oklch(63.2% 0.11 159.7)
-
Step 600
600 (this color)
#138658
oklch(54.9% 0.12 159.7)
-
Step 700
700
#01734A
oklch(49% 0.111 159.9)
-
Step 800
800
#0C5E3D
oklch(42.7% 0.092 159.9)
-
Step 900
900
#164D34
oklch(37.7% 0.072 159.9)
-
Step 950
950
#0F2D1E
oklch(26.9% 0.046 159.2)
#138658 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) | #847B55 | 0.112 |
| Deuteranopia (no green cones) | #77725B | 0.108 |
| Tritanopia (no blue cones) | #00857A | 0.052 |
| Achromatopsia (no color) | #757575 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #138658
#138658
oklch(54.9% 0.12 159.7)
- #9E5388
#9E5388
oklch(54.9% 0.12 339.3)
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 #138658, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.022
- Jungle Green #048243 ΔE 0.029
- Viridian #1E9167 ΔE 0.036
- Dark Sage #598556 ΔE 0.050
- Light Forest Green #4F9153 ΔE 0.056
- Fern Green #548D44 ΔE 0.057
- Tree Green #2A7E19 ΔE 0.063
- Kelley Green #009337 ΔE 0.065
Use #138658 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.