#277C05
Closest named color: Tree Green (#2A7E19). oklch(51.5% 0.162 139.7), rgb(39, 124, 5).
Aa
White text reads best on this color (5.28:1).
About this color
#277C05 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.162 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.010 away. White text reads best on it, at 5.28:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #277C05 |
| RGB | rgb(39, 124, 5) |
| HSL | hsl(103, 92%, 25%) |
| OKLCH | oklch(51.5% 0.162 139.7) |
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 #277C05 | 5.28:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #277C05 | 3.97:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #277C05 text on white | 5.28:1 | AA | Lc 75.8 | Fine for body text |
| #277C05 text on black | 3.97:1 | AA large text | Lc -25.9 | 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 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
#CBE1C5
oklch(88.6% 0.044 139)
-
Step 300
300
#A6CE9D
oklch(81% 0.08 139.9)
-
Step 400
400
#75B466
oklch(70.8% 0.127 139.7)
-
Step 500
500
#4EA039
oklch(63.2% 0.161 139.8)
-
Step 600
600
#2D8A08
oklch(55.7% 0.175 139.7)
-
Step 700
700 (this color)
#277C05
oklch(51.5% 0.162 139.7)
-
Step 800
800
#1C5F03
oklch(42.6% 0.134 139.7)
-
Step 900
900
#1E4E11
oklch(37.7% 0.104 139.8)
-
Step 950
950
#132E0C
oklch(27.1% 0.066 139.6)
#277C05 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) | #807000 | 0.110 |
| Deuteranopia (no green cones) | #766919 | 0.108 |
| Tritanopia (no blue cones) | #197869 | 0.110 |
| Achromatopsia (no color) | #6C6C6C | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277C05
#277C05
oklch(51.5% 0.162 139.7)
- #8E41A0
#8E41A0
oklch(51.4% 0.162 319.7)
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 #277C05, closest first.
No curated palette has a color within ΔE 0.04 of #277C05.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.010
- Green #008000 ΔE 0.017
- Dark Grass Green #388004 ΔE 0.019
- Forest Green #228B22 ΔE 0.044
- Jungle Green #048243 ΔE 0.045
- Emerald Green #028F1E ΔE 0.055
- Olive Green #677A04 ΔE 0.067
- Kelley Green #009337 ΔE 0.068
Use #277C05 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.