#1C9A5A
Closest named color: Light Forest Green (#4F9153). oklch(60.6% 0.142 154.7), rgb(28, 154, 90).
Aa
Black text reads best on this color (5.81:1).
About this color
#1C9A5A is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.142 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.036 away. Black text reads best on it, at 5.81:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.81:1 |
| White text | 3.60:1 |
Values
| HEX | #1C9A5A |
| RGB | rgb(28, 154, 90) |
| HSL | hsl(150, 69%, 36%) |
| OKLCH | oklch(60.6% 0.142 154.7) |
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 #1C9A5A | 3.60:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #1C9A5A | 5.81:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #1C9A5A text on white | 3.60:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #1C9A5A text on black | 5.81:1 | AA | Lc -38.5 | 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 500.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE4
oklch(93.6% 0.02 154.9)
-
Step 200
200
#C6E1CE
oklch(88.5% 0.039 154.9)
-
Step 300
300
#9DCEAD
oklch(80.8% 0.069 155.1)
-
Step 400
400
#63B581
oklch(70.7% 0.112 154.5)
-
Step 500
500 (this color)
#1C9A5A
oklch(60.6% 0.142 154.7)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#024F2A
oklch(37.6% 0.092 154.6)
-
Step 950
950
#082F19
oklch(27.1% 0.059 154.3)
#1C9A5A 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) | #9A8D56 | 0.126 |
| Deuteranopia (no green cones) | #8B835E | 0.122 |
| Tritanopia (no blue cones) | #00988A | 0.071 |
| Achromatopsia (no color) | #878787 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C9A5A
#1C9A5A
oklch(60.6% 0.142 154.7)
- #B45DA4
#B45DA4
oklch(60.5% 0.143 334.5)
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 #1C9A5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.036
- Viridian #1E9167 ΔE 0.037
- Ocean Green #3D9973 ΔE 0.043
- Kelley Green #009337 ΔE 0.043
- Sea Green #2E8B57 ΔE 0.044
- Jade #1FA774 ΔE 0.045
- Fern Green #548D44 ΔE 0.046
- Muted Green #5FA052 ΔE 0.052
Use #1C9A5A 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.