#1F9D4E
Closest named color: Kelley Green (#009337). oklch(61.3% 0.157 150.3), rgb(31, 157, 78).
Aa
Black text reads best on this color (5.99:1).
About this color
#1F9D4E is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.157 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.037 away. Black text reads best on it, at 5.99:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #1F9D4E |
| RGB | rgb(31, 157, 78) |
| HSL | hsl(142, 67%, 37%) |
| OKLCH | oklch(61.3% 0.157 150.3) |
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 #1F9D4E | 3.50:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #1F9D4E | 5.99:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #1F9D4E text on white | 3.50:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #1F9D4E text on black | 5.99:1 | AA | Lc -39.6 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C6E2CB
oklch(88.6% 0.043 150.5)
-
Step 300
300
#9DCFA7
oklch(80.9% 0.077 150.5)
-
Step 400
400
#63B677
oklch(70.7% 0.123 150.1)
-
Step 500
500 (this color)
#1F9D4E
oklch(61.3% 0.157 150.3)
-
Step 600
600
#008B3F
oklch(55.7% 0.153 150.2)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#015022
oklch(37.7% 0.102 150.3)
-
Step 950
950
#072F14
oklch(27% 0.066 150.1)
#1F9D4E 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) | #9E8F47 | 0.129 |
| Deuteranopia (no green cones) | #908554 | 0.128 |
| Tritanopia (no blue cones) | #009A8B | 0.087 |
| Achromatopsia (no color) | #898989 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F9D4E
#1F9D4E
oklch(61.3% 0.157 150.3)
- #B75CB0
#B75CB0
oklch(61.3% 0.157 330.2)
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 #1F9D4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.037
- Irish Green #019529 ΔE 0.042
- Grass Green #3F9B0B ΔE 0.046
- Mid Green #50A747 ΔE 0.046
- Light Forest Green #4F9153 ΔE 0.047
- Muted Green #5FA052 ΔE 0.048
- Grassy Green #419C03 ΔE 0.048
- Jade #1FA774 ΔE 0.050
Use #1F9D4E 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.