#257551
Closest named color: Jungle Green (#048243). oklch(50.4% 0.097 160.1), rgb(37, 117, 81).
Aa
White text reads best on this color (5.61:1).
About this color
#257551 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.097 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.051 away. White text reads best on it, at 5.61:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.74:1 |
| White text | 5.61:1 |
Values
| HEX | #257551 |
| RGB | rgb(37, 117, 81) |
| HSL | hsl(153, 52%, 30%) |
| OKLCH | oklch(50.4% 0.097 160.1) |
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 #257551 | 5.61:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #257551 | 3.74:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #257551 text on white | 5.61:1 | AA | Lc 77.8 | Fine for body text |
| #257551 text on black | 3.74:1 | AA large text | Lc -24.0 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDFD3
oklch(88.5% 0.027 159.5)
-
Step 300
300
#A7CAB6
oklch(80.8% 0.047 160.1)
-
Step 400
400
#77AF91
oklch(70.7% 0.074 160.3)
-
Step 500
500
#509B75
oklch(63% 0.095 159.8)
-
Step 600
600
#2F865E
oklch(55.7% 0.104 160)
-
Step 700
700 (this color)
#257551
oklch(50.4% 0.097 160.1)
-
Step 800
800
#1E5C40
oklch(42.7% 0.079 160.4)
-
Step 900
900
#1F4C36
oklch(37.8% 0.063 159.9)
-
Step 950
950
#132C20
oklch(26.9% 0.039 161.3)
#257551 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) | #746C4F | 0.092 |
| Deuteranopia (no green cones) | #696453 | 0.089 |
| Tritanopia (no blue cones) | #00756B | 0.040 |
| Achromatopsia (no color) | #686868 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257551
#257551
oklch(50.4% 0.097 160.1)
- #884D76
#884D76
oklch(50.4% 0.097 339.4)
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 #257551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.055
- Deep Turquoise #017374 ΔE 0.057
- Bluegreen #017A79 ΔE 0.058
- Dark Moss Green #606C38 ΔE 0.063
- Dark Green Blue #1F6357 ΔE 0.063
- Camo Green #526525 ΔE 0.065
Use #257551 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.