#EFCF58
Closest named color: Maize (#F4D054). oklch(86% 0.141 94.1), rgb(239, 207, 88).
Aa
Black text reads best on this color (13.73:1).
About this color
#EFCF58 is a light, vivid yellow. In OKLCH its lightness is 86%, its chroma 0.141 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Maize (#F4D054), ΔE 0.008 away. Black text reads best on it, at 13.73:1.
| Hue family | Yellows |
| Lightness | light (86%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Maize (#F4D054) |
| Black text | 13.73:1 |
| White text | 1.52:1 |
Values
| HEX | #EFCF58 |
| RGB | rgb(239, 207, 88) |
| HSL | hsl(47, 83%, 64%) |
| OKLCH | oklch(86% 0.141 94.1) |
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 #EFCF58 | 1.52:1 | Fails | Lc -27.6 | Dividers and decoration only |
| Black text on #EFCF58 | 13.73:1 | AAA | Lc 79.4 | Fine for body text |
| #EFCF58 text on white | 1.52:1 | Fails | Lc 24.4 | Dividers and decoration only |
| #EFCF58 text on black | 13.73:1 | AAA | Lc -78.7 | Fine for body 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 200.
-
Step 50
50
#FBF6E4
oklch(97.2% 0.024 94.1)
-
Step 100
100
#F5EAC3
oklch(93.6% 0.052 94.1)
-
Step 200
200 (this color)
#EFCF58
oklch(86% 0.141 94.1)
-
Step 300
300
#E4BD00
oklch(80.9% 0.166 93.9)
-
Step 400
400
#BE9E00
oklch(70.7% 0.145 94.4)
-
Step 500
500
#A38700
oklch(63.1% 0.129 94.2)
-
Step 600
600
#897100
oklch(55.5% 0.114 94.1)
-
Step 700
700
#735F00
oklch(49.1% 0.101 94.6)
-
Step 800
800
#5F4D00
oklch(42.6% 0.087 93.4)
-
Step 900
900
#4F4000
oklch(37.6% 0.077 93.9)
-
Step 950
950
#2F2600
oklch(27.1% 0.056 95.5)
#EFCF58 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) | #E3CB4A | 0.024 |
| Deuteranopia (no green cones) | #EBD55E | 0.015 |
| Tritanopia (no blue cones) | #FFC0B6 | 0.129 |
| Achromatopsia (no color) | #D1D1D1 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFCF58
#EFCF58
oklch(86% 0.141 94.1)
- #C2CEFF
#C2CEFF
oklch(85.9% 0.07 274.1)
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 #EFCF58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Maize #F4D054 ΔE 0.008
- Light Mustard #F7D560 ΔE 0.020
- Sunglow #FFD166 ΔE 0.029
- Dull Yellow #EEDC5B ΔE 0.032
- Sandy #F1DA7A ΔE 0.035
- Golden Yellow #FEC615 ΔE 0.036
- Sand #E2CA76 ΔE 0.038
- Sunflower #FFC512 ΔE 0.038
Use #EFCF58 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.