#277901
Closest named color: Tree Green (#2A7E19). oklch(50.6% 0.16 139.4), rgb(39, 121, 1).
Aa
White text reads best on this color (5.49:1).
About this color
#277901 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.160 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.017 away. White text reads best on it, at 5.49:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #277901 |
| RGB | rgb(39, 121, 1) |
| HSL | hsl(101, 98%, 24%) |
| OKLCH | oklch(50.6% 0.16 139.4) |
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 #277901 | 5.49:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #277901 | 3.82:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #277901 text on white | 5.49:1 | AA | Lc 77.0 | Fine for body text |
| #277901 text on black | 3.82:1 | AA large text | Lc -24.8 | 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 700.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE1C6
oklch(88.6% 0.043 139.9)
-
Step 300
300
#A7CD9D
oklch(80.8% 0.078 139.2)
-
Step 400
400
#76B367
oklch(70.6% 0.124 139.6)
-
Step 500
500
#509F39
oklch(63% 0.159 139.3)
-
Step 600
600
#30890A
oklch(55.5% 0.172 139.4)
-
Step 700
700 (this color)
#277901
oklch(50.6% 0.16 139.4)
-
Step 800
800
#1E5F04
oklch(42.7% 0.133 139.4)
-
Step 900
900
#1F4E11
oklch(37.7% 0.104 139.5)
-
Step 950
950
#132E0C
oklch(27.1% 0.066 139.6)
#277901 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) | #7D6D00 | 0.108 |
| Deuteranopia (no green cones) | #736716 | 0.104 |
| Tritanopia (no blue cones) | #1B7566 | 0.109 |
| Achromatopsia (no color) | #696969 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277901
#277901
oklch(50.6% 0.16 139.4)
- #8B3F9D
#8B3F9D
oklch(50.6% 0.16 319.6)
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 #277901, closest first.
No curated palette has a color within ΔE 0.04 of #277901.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.017
- Green #008000 ΔE 0.023
- Dark Grass Green #388004 ΔE 0.027
- Jungle Green #048243 ΔE 0.049
- Forest Green #228B22 ΔE 0.053
- Emerald Green #028F1E ΔE 0.064
- Olive Green #677A04 ΔE 0.070
- Dark Green #006400 ΔE 0.072
Use #277901 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.